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CITY OF SANTA ANA <br />Planning and Building Agency <br />2022 Single -Family Residential Mandatory Requirements Summary <br />Energy Storage System (ESS) Ready. All single-family residences must meet all of the following: Eitt <br />er ESS-rea ip11►0c e <br />§ 150.0(s) <br />equipment with backed up capacity of 60 amps or more and four or more ESS supplied branch circuits <br />or A f k,� <br />h J it <br />main service to a subpanel that supplies the branch circuits in § 150.0(s); at least four branch circuits <br />usf bridftent' i e—Fa'n <br />source collocated at a single panelboard suitable to be supplied by the ESS, with one circuit supplying <br />:he refrigerator, one lighting circuit <br />near the primary exit, and one circuit supplying a sleeping room receptacle outlet; main panelboard mu <br />3t have a minimum busbar rating of <br />225 amps; sufficient space must be reserved to allow future installation of a system isolation equipmen <br />MWit Wi®� within T of the main <br />panelboard, with raceways installed between the panelboard and the switch location to allow the conn( <br />coggAbackup power source. <br />Heat Pump Space Heater Ready. Systems using gas or propane furnaces to serve individual dwellinc units must include: A dedicated <br />§ 150.0(t) <br />unobstructed 240V branch circuit wiring installed within 3' of the furnace with circuit conductors rated a least 30 amps with the blank <br />identified as "240V ready;" and a reserved main electrical service panel space to allow for the installation of a double pole circuit breaker <br />permanently marked as "For Future 240V use." <br />Electric Cooktop Ready. Systems using gas or propane cooktop to serve individual dwelling units must include: A dedicated unobstructed <br />§ 150.0(u) <br />240V branch circuit wiring installed within 3' of the cooktop with circuit conductors rated at least 50 amps with the blank cover identified as <br />"240V ready;" and a reserved main electrical service panel space to allow for the installation of a double pole circuit breaker permanently <br />marked as "For Future 240V use." <br />Electric Clothes Dryer Ready. Clothes dryer locations with gas or propane plumbing to serve individual dwelling units must include: A <br />§ 150.0(v) <br />dedicated unobstructed 240V branch circuit wiring installed within 3' of the dryer location with circuit conductors rated at least 30 amps with <br />the blank cover identified as "240V ready;" and a reserved main electrical service panel space to allow for the installation of a double pole <br />circuit breaker permanently marked as "For Future 240V use." <br />*Exceptions may apply, <br />JCE <br />5/6/22 <br />